CN219489363U

CN219489363U - Hook head unhooking prevention device

Info

Publication number: CN219489363U
Application number: CN202320604214.4U
Authority: CN
Inventors: 樊翔; 李超; 齐国正; 梁亮; 申海俊; 于富
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-08
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a hook head unhooking prevention device which comprises a hook handle, wherein a hook head is fixedly arranged below the hook handle in an integrated manner, an installation clamp is arranged outside the hook handle, an installation bolt is arranged at the front end of the installation clamp, and an installation groove corresponding to the installation bolt is formed in the hook handle; the unhooking prevention elastic sheet is fixedly arranged below the installation clamp; the installation seat, its fixed mounting is in the right side of installation clamp, the internally mounted of installation seat has the transfer line, the internally mounted of transfer line has the connection pivot, the top fixed mounting of transfer line has the operating ball, the transmission push rod is installed to the below of transfer line. The hook head unhooking prevention device is formed by installing parts such as a clamp, an installing bolt and a unhooking prevention elastic sheet, the whole structure and the stability of the original hook head can not be damaged, and a series of potential safety hazards possibly caused by high-altitude falling objects due to slipping are avoided when a heavy object is hoisted in operation.

Description

Hook head unhooking prevention device

Technical Field

The utility model relates to the technical field of old-fashioned lifting hook heads, in particular to a hook head unhooking prevention device.

Background

Along with the increasing severity of safety forms in recent years, the requirements on the intrinsic safety of special equipment are more and more strict from China to enterprises, the matched old crane is not provided with an anti-unhooking device, but the whole replacement cost is extremely high, under the condition, the steel structure of the hook head cannot be damaged, the anti-unhooking function is also required, and a series of potential safety hazards possibly caused by high-altitude falling objects due to slipping are avoided by designing the anti-unhooking device when heavy objects are hoisted.

The patent publication No. CN216512395U discloses a bridge crane hook unhooking device, including articulating the blocking piece on the hook, be provided with on the blocking piece and order about its loose end to support in the terminal counter weight piece of hook to make the blocking piece block off the opening of hook, the blocking piece includes a platelike blocking plate, cooperates the counter weight piece to be provided with connecting portion on the blocking plate, cooperates the end of hook to be provided with limit structure on the blocking plate, limit structure is the recess that sets up on the blocking plate. The blocking piece of the utility model is propped against the tail end of the hook head under the action of the weight piece, so that the opening of the hook head is blocked, the anti-falling function of the hook head of the crane is realized by the gravity of the weight piece, the phenomenon of loosening can not occur under the condition of long-time use, and the safety performance of the utility model is improved.

The hook head unhooking prevention device is integrally arranged on the hook head, is inconvenient to detach and install, is easy to damage the structure and stability of the hook head, and is not applicable to old crane hook heads.

Disclosure of Invention

The utility model aims to provide a hook head unhooking prevention device, which solves the problems that the hook head unhooking prevention device of the patent in the background art is integrally arranged on a hook head, is inconvenient to disassemble and assemble, is easy to damage the structure and stability of the hook head and is not suitable for an old crane hook head.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the hook head unhooking prevention device comprises a hook handle, wherein a hook head is fixedly arranged below the hook handle, an installation clamp is arranged outside the hook handle, an installation bolt is arranged at the front end of the installation clamp, and an installation groove corresponding to the installation bolt is formed in the hook handle;

and the unhooking prevention elastic sheet is fixedly arranged below the installation clamp.

Preferably, the hook handle penetrates through the inside of the mounting clamp, and the shape and the size of the inside of the mounting clamp are partially matched with those of the hook handle.

Preferably, the mounting bolt penetrates through the inner wall of the mounting clamp, the mounting bolt is in threaded connection with the mounting clamp, and the hook handle is detachably connected with the mounting clamp through the mounting bolt and the mounting groove.

Preferably, the installation clamp is welded with the unhooking prevention elastic sheet, and the unhooking prevention elastic sheet is tightly attached to the inner wall of the hook head.

Preferably, the mounting clip further comprises:

the installation seat, its fixed mounting is in the right side of installation clamp, the internally mounted of installation seat has the transfer line, the internally mounted of transfer line has the connection pivot, the top fixed mounting of transfer line has the operating ball, the transmission push rod is installed to the below of transfer line.

Preferably, the transmission rod is movably connected with the mounting seat through a connecting rotating shaft, and the transmission push rod is attached to the unhooking prevention elastic sheet.

Compared with the prior art, the utility model provides the hook head unhooking prevention device, which has the following beneficial effects: the hook head unhooking prevention device is formed by installing parts such as a clamp, an installing bolt and a unhooking prevention elastic sheet, the whole structure and the stability of the original hook head can not be damaged, and a series of potential safety hazards possibly caused by high-altitude falling objects due to slipping are avoided when a heavy object is hoisted in operation.

1. The hook head unhooking prevention device formed by installing the parts such as the clamp, the installation bolt, the unhooking prevention elastic sheet and the like can not damage the integral structure and the stability of the original hook head, and can avoid a series of potential safety hazards possibly caused by falling objects at high altitude due to slipping when the heavy object is lifted during operation;

2. according to the utility model, the transmission rod and the transmission push rod are rotated to push the unhooking prevention elastic sheet to deform into the hook head, so that the articles on the hook can be taken down conveniently.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the shank and the mounting clip of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a hook handle; 2. installing a clamp; 3. installing a bolt; 4. a hook head; 5. an operation ball; 6. a transmission rod; 7. the connecting rotating shaft; 8. a mounting base; 9. a transmission push rod; 10. an anti-unhooking elastic sheet; 11. and a mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a hook head unhooking prevention device comprises a hook handle 1, wherein a hook head 4 is fixedly arranged below the hook handle 1, and a mounting clamp 2 is arranged outside the hook handle 1; the hook handle 1 penetrates through the mounting clamp 2, the shape and the size of the inside of the mounting clamp 2 are partially matched with those of the hook handle 1, the front end of the mounting clamp 2 is provided with a mounting bolt 3, and the inside of the hook handle 1 is provided with a mounting groove 11 corresponding to the mounting bolt 3;

the unhooking prevention elastic sheet 10 is fixedly arranged below the installation clamp 2; the mounting bolt 3 penetrates through the inner wall of the mounting clamp 2, the mounting bolt 3 is in threaded connection with the mounting clamp 2, and the hook handle 1 is detachably connected with the mounting clamp 2 through the mounting bolt 3 and the mounting groove 11; the mounting clamp 2 is welded with the unhooking prevention elastic sheet 10, and the unhooking prevention elastic sheet 10 is tightly attached to the inner wall of the hook head 4; the hook head unhooking prevention device formed by the parts such as the mounting clamp 2, the mounting bolt 3, the unhooking prevention elastic sheet 10 and the like can not damage the integral structure and the stability of the original hook head 4, and a series of potential safety hazards possibly caused by high-altitude falling objects due to slipping are avoided when the heavy objects are lifted in operation.

Referring to fig. 1, a hook head unhooking prevention device comprises a mounting seat 8 fixedly mounted on the right side of a mounting clamp 2, a transmission rod 6 is mounted in the mounting seat 8, a connecting rotating shaft 7 is mounted in the transmission rod 6, an operating ball 5 is fixedly mounted above the transmission rod 6, and a transmission push rod 9 is mounted below the transmission rod 6; the transmission rod 6 is movably connected with the mounting seat 8 through the connecting rotating shaft 7, and the transmission push rod 9 is attached to the unhooking prevention elastic sheet 10.

Working principle: when the hook head unhooking prevention device is used, firstly, the installation clamp 2 is sleeved on the hook handle 1, then the installation bolt 3 is screwed, the installation bolt 3 is inserted into the installation groove 11 in the hook handle 1, the unhooking prevention device is installed on the hook handle 1, secondly, the operation ball 5 is held to control the transmission rod 6 to rotate on the installation seat 8 through the connecting rotating shaft 7, the transmission push rod 9 is driven to push the unhooking elastic sheet 10 to deform towards the inside of the hook head 4, secondly, an article to be lifted is hung on the hook head 4, then the operation ball 5 is loosened, the unhooking elastic sheet 10 is restored to the original state through the elasticity of the operation ball 5 and is tightly attached to the inner wall of the hook head 4, finally, the article to be lifted can be assembled and the operation ball 5 is controlled to push the unhooking elastic sheet 10 away by the same operation after the assembly is completed, and the lifted article is taken down.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hook head unhooking prevention device, comprising:

the novel hook comprises a hook handle (1), wherein a hook head (4) is fixedly arranged below the hook handle (1), an installation clamp (2) is arranged outside the hook handle (1), an installation bolt (3) is arranged at the front end of the installation clamp (2), and an installation groove (11) corresponding to the installation bolt (3) is formed in the hook handle (1);

and the unhooking prevention elastic sheet (10) is fixedly arranged below the installation clamp (2).

2. The hook head unhooking prevention device according to claim 1, wherein the hook handle (1) penetrates through the inside of the mounting clamp (2), and the shape and the size of the inside of the mounting clamp (2) are partially matched with those of the hook handle (1).

3. The hook head unhooking prevention device according to claim 1, wherein the mounting bolt (3) penetrates through the inner wall of the mounting clamp (2), the mounting bolt (3) is in threaded connection with the mounting clamp (2), and the hook handle (1) is detachably connected with the mounting clamp (2) through the mounting bolt (3) and the mounting groove (11).

4. The hook head unhooking prevention device according to claim 1, wherein the mounting clamp (2) is welded with the unhooking prevention elastic sheet (10), and the unhooking prevention elastic sheet (10) is tightly attached to the inner wall of the hook head (4).

5. A hooking-unhooking device according to claim 1, characterized in that the mounting clip (2) is further provided with:

the installation seat (8), its fixed mounting is in the right side of installation clamp (2), internally mounted of installation seat (8) has transfer line (6), internally mounted of transfer line (6) has connection pivot (7), the top fixed mounting of transfer line (6) has operating ball (5), transmission push rod (9) are installed to the below of transfer line (6).

6. The hook head unhooking prevention device according to claim 5, wherein the transmission rod (6) is movably connected with the mounting seat (8) through the connecting rotating shaft (7), and the transmission push rod (9) is attached to the unhooking prevention elastic sheet (10).